inquiry ��ͨ���ôʣ�ָ��ʽ���飬Ҳָһ��Ĵ������ѯ�� investigation һ��ָ��ϵͳ�ĵ����Եõ�ϣ�����ֻ���Ҫ֪�����¡� research ָ��ѧ�����ߵ�Ϊ��ʾ��Ȼ���ɻ��ȡij���������֪ʶ�����г�ʱ��ĵ����о��� survey ��ָΪд���汨������е�����������顣
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1. Investigation, analysis, implementation, and maintenance. ���飬������ʵʩ��ά����
2. Methods To combine questionnaire investigation with interview. �����ʾ�����ͷ�̸���ϡ�
3. But the reporter discovers paint market in investigation very " complex " , consumer should add caution more when buy. ���Ǽ����ڵ����з��������г��ܡ����ӡ����������ڹ���ʱӦ�ö��С�ġ�
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n.
1. an inquiry into unfamiliar or questionable activities
2. the work of inquiring into something thoroughly and systematically